<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>表格嵌套</title>
	</head>
	<body>
		<table border="1" cellspacing="0" cellpadding="0">
			<caption>高中三年成绩表</caption>
			<tr>
				<td>姓名</td>
				<td colspan="3">高一上学期</td>
				<td colspan="3">高一下学期</td>
			</tr>
			<tr>
				<td>李同学</td>
				<td>语文</td>
				<td>数学</td>
				<td>英语</td>
				<td>物理</td>
				<td>化学</td>
				<td>生物</td>
			</tr>
			
		</table>
	</body>
</html>